How did progressives clean up their local governments?

What were major causes of the dust bowl apex

The folsom culture was replaced by the plano culture. clovis culture. american indian culture. paleo-indian culture.

Which statement best describes the precedent set by the supreme court in new york times v. united states regarding government censorship? government censorship is fine if there is a good reason. government censorship is almost always unconstitutional. government censorship must further national interests. government censorship does not apply to opinions.